CG Board Class 7 Science Static Electricity textbook mcq , Fill in the blanks and question answers for students.
Choose the correct answer –
1. On rubbing two objects (a) and (b) if (a) attains negative (-) charge then (b) will have–
(a) negative charge (b) negative and positive charges both
(c) positive charge (d) none of these
2. Out of the following, which one can not be easily charged by friction?
(a) glass rod (b) ball of wool
(c) copper rod (d) balloon filled with air
3. Human body for electric current is –
(a) an insulator (b) sometimes a conductor / sometimes an insulator
(c) a conductor (d) none of these
4. When two objects are rubbed together, then they develop –
(a) opposite charge (b) same charge
(c) No charges (d) some times opposite some times same charge
